Pulkovo Visual Double Star Catalogue

Into the present catalogue the seasonal mean relative positions (rho and theta 2000) are included for 234 visual double stars observed at Pulkovo with 26-inch refractor from...本星表收录了234颗目视双星（visual double stars）的季节平均相对位置（历元2000.0下的ρ（rho）与θ（theta）），这些天体由普尔科沃天文台（Pulkovo）使用26英寸折射望远镜（26-inch refractor）观测所得，观测数据源自……